Media Remoting: Add mojo interfaces between browser and extension.

chrome/common/media_router/mojo/media_router.mojom

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module media_router.mojom;
 
 import "chrome/common/media_router/mojo/media_controller.mojom";
 import "chrome/common/media_router/mojo/media_status.mojom";
+import "media/mojo/interfaces/mirror_service_remoting.mojom";
 import "mojo/common/time.mojom";
 import "net/interfaces/ip_address.mojom";
 import "url/mojo/origin.mojom";
 import "url/mojo/url.mojom";
 
 // Represents an output sink to which media can be routed.
 struct MediaSink {
   enum IconType {
     CAST,
     CAST_AUDIO,
@@ skipping 445 matching lines @@
       string message);
 
   // Called when the a batch of messages arrives from the media sink for the
   // route given by |route_id|.
   // |StartListeningForRouteMessages| must be called first in order to receive
   // messages.
   // |route_id|: ID of route of the messages.
   // |messages|: A non-empty list of messages received.
   OnRouteMessagesReceived(string route_id,
                           array<RouteMessage> messages);
+
+  // Called when a MediaRemoter for a tab with |tab_id| is started. |remoter|
+  // can be used to access the MediaRemoter to control a media remoting session
+  // and send RPC messages to the remote device. |remoting_source| is bound to
+  // receive the updates/messages from MediaRemoter.
+  OnMediaRemoterCreated(int32 tab_id, media.mojom.MirrorServiceRemoter remoter,
+      media.mojom.MirrorServiceRemotingSource& remoting_source);
 };